XFCE window repositioning script - centers and resizes off-screen windows to fit current display. Useful when connecting via RDP from different devices (phone, tablet, different monitors)

reposition.sh

#!/bin/bash
# Resize and reposition windows to fit current screen work area

get_work_area() {
    wmctrl -d | awk '/\*/ {
        split($9, dim, "x")
        split($8, offset, ",")
        print offset[1], offset[2], dim[1], dim[2]
    }'
}

read -r wa_x wa_y wa_w wa_h <<< "$(get_work_area)"

if [[ -z "$wa_w" || -z "$wa_h" ]]; then
    notify-send "tyle" "Failed to get work area"
    exit 1
fi

current_desktop=$(wmctrl -d | awk '/\*/ {print $1}')
border=2
titlebar=28
padding=$((border * 2))

wmctrl -l | while read -r wid desktop _host title; do
    [[ "$desktop" != "$current_desktop" ]] && continue
    [[ "$desktop" == "-1" ]] && continue

    # skip minimized windows
    if xprop -id "$wid" _NET_WM_STATE 2>/dev/null | grep -q "_NET_WM_STATE_HIDDEN"; then
        continue
    fi

    eval "$(xdotool getwindowgeometry --shell "$wid" 2>/dev/null)"
    wx=$X wy=$Y ww=$WIDTH wh=$HEIGHT

    [[ -z "$ww" || -z "$wh" ]] && continue

    new_w=$ww
    new_h=$wh

    max_w=$((wa_w - padding))
    max_h=$((wa_h - padding - titlebar))

    # resize if too large
    ((new_w > max_w)) && new_w=$max_w
    ((new_h > max_h)) && new_h=$max_h

    new_x=$(( wa_x + (wa_w - new_w) / 2 ))
    new_y=$(( wa_y + (wa_h - new_h) / 2 ))
    wmctrl -i -r "$wid" -e "0,$new_x,$new_y,$new_w,$new_h"
done